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Lecture: Introduction to Seismology and Ground Motion Parameters

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GSC415 Winter 2013<br />

Engineering Geology II<br />

Tsunami <strong>and</strong><br />

Seiches<br />

• Tsunami: long period<br />

sea waves generated<br />

by rapid vertical<br />

displacement of water<br />

• Seiche: induced waves<br />

in enclosed bodies of<br />

water<br />

• Both can be excited by<br />

earthquakes,<br />

l<strong>and</strong>slides, volcanic<br />

eruptions, etc.<br />

2/18/13 Cal Poly Pomona 34

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